It's not crazy that a player loses a 50/50, but why was Mustafi complaining instead of chasing Aguero who is in a 1v1 situation. Focus on the game first, cost us big at a point where we were defending well. Now we have to open up early.

To clarify no, I'm not defending Mustafi's lack of action at all just bc Aguero said he was lucky to have gotten away with it. You play to the whistle, always, regardless of the situation. He was weak & ineffective and fully at fault.